{"id":"CVE-2023-5409","aliases":["EUVD-2023-57724","GHSA-76mp-24cw-7mwq"],"status":"published","title":"HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs. These...","description":"HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs. These models may be susceptible to a physical attack, allowing an untrusted source to tamper with the system firmware using a publicly disclosed private key. HP is providing recommended guidance for customers to reduce exposure to the potential vulnerability.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00328,"percentile":0.26115,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-10-13T16:15:34Z","modified":"2026-06-17T06:48:32Z","products":[{"vendor":"hp","product":"t430_thin_client_firmware"},{"vendor":"hp","product":"t638_thin_client_firmware"},{"vendor":"hp inc.","product":"hp t430 and t638 thin clients"}],"references":[{"url":"https://support.hp.com/us-en/document/ish_9441200-9441233-16","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5409"},{"url":"https://github.com/advisories/GHSA-76mp-24cw-7mwq"}],"sources":{"cve":[{"id":"CVE-2023-5409","description":"HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs. These models may be susceptible to a physical attack, allowing an untrusted source to tamper with the system firmware using a publicly disclosed private key. HP is providing recommended guidance for customers to reduce exposure to the potential vulnerability.","status":"published","published":"2023-10-13T16:15:34.743Z","modified":"2024-08-02T07:59:44.712Z","updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-57724","description":"HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs. These models may be susceptible to a physical attack, allowing an untrusted source to tamper with the system firmware using a publicly disclosed private key. HP is providing recommended guidance for customers to reduce exposure to the potential vulnerability.","status":"published","published":"2023-10-13T16:15:34Z","modified":"2024-08-02T07:59:44Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-03T03:50:11.629738Z"}],"ghsa":[{"id":"GHSA-76mp-24cw-7mwq","title":"HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs. These...","description":"HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs. These models may be susceptible to a physical attack, allowing an untrusted source to tamper with the system firmware using a publicly disclosed private key. HP is providing recommended guidance for customers to reduce exposure to the potential vulnerability.","status":"published","published":"2023-10-13T18:30:20Z","modified":"2024-04-04T08:38:18Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T14:57:00.19255Z"}],"nvd":[{"id":"CVE-2023-5409","description":"HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs. These models may be susceptible to a physical attack, allowing an untrusted source to tamper with the system firmware using a publicly disclosed private key. HP is providing recommended guidance for customers to reduce exposure to the potential vulnerability.","status":"published","published":"2023-10-13T17:15:09.713Z","modified":"2026-06-17T06:48:32.173Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:08:37.83429Z"}]}}